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Decimal.Round Method (Decimal, MidpointRounding)

Rounds a decimal value to the nearest integer. A parameter specifies how to round the value if it is midway between two other numbers.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)
public static decimal Round(
	decimal d,
	MidpointRounding mode
)

Parameters

d
Type: System.Decimal

A decimal number to round.

mode
Type: System.MidpointRounding

A value that specifies how to round d if it is midway between two other numbers.

Return Value

Type: System.Decimal
The integer that is nearest to the d parameter. If d is halfway between two numbers, one of which is even and the other odd, the mode parameter determines which of the two numbers is returned.
ExceptionCondition
ArgumentException

mode is not a System.MidpointRounding value.

OverflowException

The result is outside the range of a Decimal object.

The behavior of this method follows IEEE Standard 754, section 4. This kind of rounding is sometimes called rounding to nearest or banker's rounding.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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